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Medical Definition of Emboliform nucleus
1. A small wedge-shaped nucleus in the central white substance of the cerebellum just internal to the hilus of the dentate nucleus; receives axons of Purkinje cells of the intermediate area of the cerebellar cortex; axons of these cells exit the cerebellum via the superior cerebellar peduncle. Synonym: nucleus emboliformis, embolus. (05 Mar 2000)